TY - JOUR
T1 - Assessing mNIS+7Ionis and international neurologists' proficiency in a familial amyloidotic polyneuropathy trial
AU - Dyck, Peter J.
AU - Kincaid, John C.
AU - Dyck, P. James B.
AU - Chaudhry, Vinay
AU - Goyal, Namita A.
AU - Alves, Christina
AU - Salhi, Hayet
AU - Wiesman, Janice F.
AU - Labeyrie, Celine
AU - Robinson-Papp, Jessica
AU - Cardoso, Márcio
AU - Laura, Matilde
AU - Ruzhansky, Katherine
AU - Cortese, Andrea
AU - Brannagan, Thomas H.
AU - Khoury, Julie
AU - Khella, Sami
AU - Waddington-Cruz, Márcia
AU - Ferreira, João
AU - Wang, Annabel K.
AU - Pinto, Marcus V.
AU - Ayache, Samar S.
AU - Benson, Merrill D.
AU - Berk, John L.
AU - Coelho, Teresa
AU - Polydefkis, Michael
AU - Gorevic, Peter
AU - Adams, David H.
AU - Plante-Bordeneuve, Violaine
AU - Whelan, Carol
AU - Merlini, Giampaolo
AU - Heitner, Stephen
AU - Drachman, Brian M.
AU - Conceição, Isabel
AU - Klein, Christopher J.
AU - Gertz, Morie A.
AU - Ackermann, Elizabeth J.
AU - Hughes, Steven G.
AU - Mauermann, Michelle L.
AU - Bergemann, Rito
AU - Lodermeier, Karen A.
AU - Davies, Jenny L.
AU - Carter, Rickey E.
AU - Litchy, William J.
N1 - Funding Information:
Conflicts of Interest: None of the authors report a conflict of interest. P.J. Dyck receives grants in support of research from Ionis, Inc., and Alnylam, Inc., and honoraria for research teaching. He previously received NIH support (NS 14304) used to develop healthy subject reference values of neurophysiologic tests used in this study. J. Robinson-Papp receives NIH support (R21 DK105917 and U24 MH100931). E.J. Ackermann and S.G. Hughes are employees and shareholders of Ionis Pharmaceuticals. R. Bergemann is an employee of GlaxoSmithKline, Inc. V. Plante-Bordeneuve receives honoraria for participation on an advisory board for Ionis, Inc. and Pfizer and travel and meeting expenses supported by Pfizer, Inc. The other co-authors report no financial disclosures other than support for the IONIS-TTRRxtrial reported here.
Funding Information:
Abbreviations: ATTR, transthyretin amyloidosis; CMAP, compound muscle action potential; FAP, familial amyloidotic polyneuropathy; HP5, heat as pain 5 (of 1–10 severity) as tested by CASE IVc, WR Medical Electronics; Maplewood, Minnesota; HRdb, heart rate decrease with deep breathing; INCAT, Inflammatory Neuropathy Cause and Treatment; MC PNRL, Mayo Clinic Peripheral Nerve Research Lab; MNCV, motor nerve conduction velocity; MNDL, motor nerve distal latency; mNIS17Ionis, modified NIS17 score (neurophysiologic tests used in Ionis-TTRRX clinical trial in FAP); NC, nerve conduction; ND, normal deviate; NIS, Neuropathy Impairment Score; NIS-R, NIS of muscle stretch reflexes; NIS-S, NIS of clinical sensation of toes and fingers; NIS-W, NIS of weakness; Norfolk Quality of Life-Diabetic Neuropathy, Norfolk QOL-DN (a health score); NSC, Neuropathy Symptoms and Change score (a health score); PND, polyneuropathy disability score, also called amyloid gait stage; SF-36, 36-Item Short Form Health Survey (a health score); S ST QSTing, Smart Somatotopic Quantitative Sensation Testing using CASE IVc, WR Medical Electronics, Maplewood, Minnesota; SNAP, sensory nerve action potential; TP, touch-pressure; TTR, transthyretin; VDT, vibratory detection threshold. Key words: disability; familial amyloidotic polyneuropathy (FAP); neurophysiologic tests; oligonucleotide trials; peripheral neuropathy; polyneuropathy signs; proficiency Funding: Financial support for the study provided by Ionis Pharmaceutical Inc. Carlsbad, California. Reference values for attributes of nerve conduction, quantitative sensation tests, and for other neurophysiologic tests were obtained from a grant from the National Institute of Neurological Disorders and Stroke (14304) and from Mayo Foundation. Study data were collected and managed using REDCap electronic data capture tools hosted at Mayo Clinic, Center for Clinical and Translational Science grant support (UL1 TR000135).
Funding Information:
Financial support for the study provided by Ionis Pharmaceutical Inc. Carlsbad, California. Reference values for attributes of nerve conduction, quantitative sensation tests, and for other neurophysiologic tests were obtained from a grant from the National Institute of Neurological Disorders and Stroke (14304) and from Mayo Foundation. Study data were collected and managed using REDCap electronic data capture tools hosted at Mayo Clinic, Center for Clinical and Translational Science grant support (UL1 TR000135).
Publisher Copyright:
© 2017 Wiley Periodicals, Inc.
PY - 2017/11
Y1 - 2017/11
N2 - Introduction: Polyneuropathy signs (Neuropathy Impairment Score, NIS), neurophysiologic tests (m+7Ionis), disability, and health scores were assessed in baseline evaluations of 100 patients entered into an oligonucleotide familial amyloidotic polyneuropathy (FAP) trial. Methods: We assessed: (1) Proficiency of grading neurologic signs and correlation with neurophysiologic tests, and (2) clinometric performance of modified NIS+7 neurophysiologic tests (mNIS+7Ionis) and its subscores and correlation with disability and health scores. Results: The mNIS+7Ionis sensitively detected, characterized, and broadly scaled diverse polyneuropathy impairments. Polyneuropathy signs (NIS and subscores) correlated with neurophysiology tests, disability, and health scores. Smart Somatotopic Quantitative Sensation Testing of heat as pain 5 provided a needed measure of small fiber involvement not adequately assessed by other tests. Conclusions: Specially trained neurologists accurately assessed neuropathy signs as compared to referenced neurophysiologic tests. The score, mNIS+7Ionis, broadly detected, characterized, and scaled polyneuropathy abnormality in FAP, which correlated with disability and health scores. Muscle Nerve 56: 901–911, 2017.
AB - Introduction: Polyneuropathy signs (Neuropathy Impairment Score, NIS), neurophysiologic tests (m+7Ionis), disability, and health scores were assessed in baseline evaluations of 100 patients entered into an oligonucleotide familial amyloidotic polyneuropathy (FAP) trial. Methods: We assessed: (1) Proficiency of grading neurologic signs and correlation with neurophysiologic tests, and (2) clinometric performance of modified NIS+7 neurophysiologic tests (mNIS+7Ionis) and its subscores and correlation with disability and health scores. Results: The mNIS+7Ionis sensitively detected, characterized, and broadly scaled diverse polyneuropathy impairments. Polyneuropathy signs (NIS and subscores) correlated with neurophysiology tests, disability, and health scores. Smart Somatotopic Quantitative Sensation Testing of heat as pain 5 provided a needed measure of small fiber involvement not adequately assessed by other tests. Conclusions: Specially trained neurologists accurately assessed neuropathy signs as compared to referenced neurophysiologic tests. The score, mNIS+7Ionis, broadly detected, characterized, and scaled polyneuropathy abnormality in FAP, which correlated with disability and health scores. Muscle Nerve 56: 901–911, 2017.
KW - disability
KW - familial amyloidotic polyneuropathy (FAP)
KW - neurophysiologic tests
KW - oligonucleotide trials
KW - peripheral neuropathy
KW - polyneuropathy signs
KW - proficiency
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U2 - 10.1002/mus.25563
DO - 10.1002/mus.25563
M3 - Article
C2 - 28063170
AN - SCOPUS:85017437175
SN - 0148-639X
VL - 56
SP - 901
EP - 911
JO - Muscle and Nerve
JF - Muscle and Nerve
IS - 5
ER -